Apple (AAPL - Get Report) unveiled the next generation of its tvOS operating system for Apple TV at its annual Worldwide Developers Conference on Monday, announcing new original entertainment content as well as increased connectivity with third-party hardware. 

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The operating system will now feature a redesigned home screen and support for multiple users. It will also be available on the popular Xbox One and PlayStation 4 game controllers. 

Apple also touted its forthcoming streaming video service Apple TV Plus, which is scheduled to launch in the fall, unveiling a trailer for its new original program "For All Mankind," an alternate reality show in which the Russians beat the U.S. to reaching the moon. The company has not yet provided details about TV Plus's cost or its full program line up yet.

"We've made Apple TV more personal and entertaining than ever," CEO Tim Cook said.

Apple shares closed down 1.01% after rising 0.95% earlier on Monday afternoon. 

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